From 94b08d25e10d66190a704df9a5813f0252cd183b Mon Sep 17 00:00:00 2001
From: Bart <eziosoft@gmail.com>
Date: Thu, 5 Jul 2018 03:24:23 +0200
Subject: [PATCH] Added possibility to center one of the axis only

---
 .../joystick/android/JoystickView.java        | 39 ++++++++++++++++++-
 1 file changed, 37 insertions(+), 2 deletions(-)

diff --git a/virtualjoystick/src/main/java/io/github/controlwear/virtual/joystick/android/JoystickView.java b/virtualjoystick/src/main/java/io/github/controlwear/virtual/joystick/android/JoystickView.java
index dd5ac2e..0d82877 100644
--- a/virtualjoystick/src/main/java/io/github/controlwear/virtual/joystick/android/JoystickView.java
+++ b/virtualjoystick/src/main/java/io/github/controlwear/virtual/joystick/android/JoystickView.java
@@ -212,6 +212,16 @@ public interface OnMultipleLongPressListener {
     private int mButtonDirection = 0;
 
 
+    public enum AxisToCenter {
+        BOTH, X, Y
+    }
+
+    /**
+     * axis to be centered
+     */
+    private AxisToCenter axisToCenter = AxisToCenter.BOTH;
+
+
     /*
     CONSTRUCTORS
      */
@@ -540,8 +550,18 @@ private int getStrength() {
      * Reset the button position to the center.
      */
     public void resetButtonPosition() {
-        mPosX = mCenterX;
-        mPosY = mCenterY;
+        switch (axisToCenter) {
+            case BOTH:
+                mPosX = mCenterX;
+                mPosY = mCenterY;
+                break;
+            case X:
+                mPosX = mCenterX;
+                break;
+            case Y:
+                mPosY = mCenterY;
+                break;
+        }
     }
 
 
@@ -800,6 +820,21 @@ public void setButtonDirection(int direction) {
         mButtonDirection = direction;
     }
 
+    /**
+     * get axis to be centered
+     * @return
+     */
+    public AxisToCenter getAxisToCenter() {
+        return axisToCenter;
+    }
+
+    /**
+     * set axis to be centered
+     * @param axisToCenter
+     */
+    public void setAxisToCenter(AxisToCenter axisToCenter) {
+        this.axisToCenter = axisToCenter;
+    }
 
     /*
     IMPLEMENTS